These are the perfect Rhodium mineral that have a natural crystalized structure with a twinkly charming appearance in the light. Boweite Rhodium minerals are alloyed naturally with Gold, Iridium, Ruthuim, and Nickel. Mined From a Ontario Dike location. A very impressive natural rare mineral and perfect for creating stunning jewelry because it's doesn't tarnish with strong acid. Great precious material that can be used with rings, pendents, or even refined for alchemy electronic purposes. Very nice look decent deal! You'll receive a gram or more per quantity.